The KubeSAN CSI Plugin

KubeSAN is a CSI plugin for Kubernetes that enables you to provision volumes backed by a single, cluster-wide, shared block device (e.g., a single big LUN on a SAN), exposed as a shared Volume Group under lvm2.

Whilst SANs often come with vendor CSI plugins, they cannot always be used. KubeSAN is intended for cases where:

• No vendor CSI plugin is available, the vendor plugin is broken, or lacks features.
• The vendor CSI plugin cannot be used due to organizational reasons (storage team does not want to give Kubernetes team access).
• 1 SAN LUN per PersistentVolume is undesirable for scalability or organizational reasons.

In these cases KubeSAN steps in to provide storage without help from a vendor CSI plugin.

Features:

• Dynamic provisioning of Block and Filesystem volumes
• Snapshots
• Cloning
• ReadWriteMany (RWX) support for Block volumes
• Thin provisioning

Roadmap:

• Recovery after power failure. Currently requires manual intervention.
• Volume expansion
• Instant volume cloning via background copy

Documentation

1. Getting started
2. Architecture
3. Development

Reporting issues

Create an issue on GitLab or send an email to [email protected].

License

This project is released under the Apache 2.0 license. See LICENSE.